The Value of Intravoxel Incoherent Motion (IVIM) Magnetic Resonance Imaging in the Evaluation of the Osteosarcoma Response to Preoperative Neoadjuvant Chemotherapy in Teens

Table 1

IVIM imaging parameter mean values before and after NAC.

	Before NAC	After NAC	Sensitivity	Specificity	P value	Cutoff values
(×10^−3mm^2/s)	1.21 ± 0.09	1.73 ± 0.11	0.778	1	<0.001	1.49
(×10^−3mm^2/s)	1.14 ± 0.09	1.63 ± 0.1	0.944	0.833	<0.001	1.37
D; (×10^−3mm^2/s)	9.17 ± 0.98	8.94 ± 0.13	0.278	0.722	0.184	12.58
(%)	28.58 ± 1.37	20.93 ± 1.16	0.5	0.944	0.007	29.83